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- 1. Multiple ChoiceThe tendency of a material to resist the flow of electricity is measured in.voltsampsohmswatts
- 2. Multiple ChoiceCurrent is the ...pressure of electricityflow of electricitytendency of a material to resist the flow of electricity.total power
- 3. Multiple ChoiceA conductor is amaterial that does not allow electrons to flow easily.material that allows electrons to flow easily.device the detects an electric charge.device the changes voltage.
- 4. Multiple ChoiceWhich of the charges below will attract each other[Positive] [Positive][Negative] [Negative][Positive] [Negative]All of the Above
- 5. Multiple ChoiceA circuit with two or more branches is a __________ circuitseriesparallel
- 6. Multiple ChoiceHow many paths does a series circuit have for electricity to follow?onetwothreetwo or more
- 7. Multiple Choice
The image is of a ______________ circuit.seriesparallel - 8. Multiple ChoiceThe image is of a ______________ circuit.seriesparallel
- 9. Multiple ChoiceCopper is aconductorinsulator
- 10. Multiple ChoiceGlass is aconductorinsulator
- 11. Multiple ChoiceWhat does a resistor do?Reduces the flow of electronsReduce the flow of the currentIncrease flow of electronsDecreases the flow of electrons
- 12. Multiple ChoiceWhat is the unit of measurement for currentOhm'sAmperesVolts
- 13. Multiple ChoiceWhat it the formula to find voltage.I= V/RR=V/IV= I x R
- 14. Multiple ChoiceIf the current of a circuit is 9 amps and the resistance is 12 ohms, then what is the voltage?y u do dis4/3 Volts3/4 Volts108 Volts
- 15. Multiple ChoiceWhich material is the best conductor of electricity?WoodMetalStonePlastic
- 16. Multiple ChoiceEnergy is transferred from the sun to Earth mainly by _______________.Sound WavesAir CurrentsElectromagnetic WavesCompressional Waves
- 17. Multiple ChoiceWhat kind of energy does a moving baseball have?ElectricalMagneticMechanicalChemical
- 18. Multiple ChoiceWhich kind of energy is produced by generators at a dam?NuclearElectricalChemicalSolar
- 19. Multiple ChoiceThe diagram below shows an incomplete electrical circuit that includes a battery, a bulb, and three wires labeled A, B, and C. The bulb is not lit. What should be done in order to light the bulb and complete the circuit?Remove wire C
Remove the battery.
Connect wires B and C.Connect wires A and B. - 20. Multiple ChoiceWhen a person speaks into a telephone, sound energy is changed mostly into which form of energy?heatlightelectricalchemical
- 21. Multiple ChoiceWhat form of energy causes an ice cube to melt?mechanicalmagneticsoundheat
- 22. Multiple ChoiceThe diagram below shows a bulb and a wire attached to a battery. Why would this bulb be lit?The battery is out of energy
The bulb is out of energy
The circuit is opened.The circuit is closed.
- 23. Multiple ChoiceAccording to the Law of Conservation of Energy, energy cannot be _________ or ____________.destroyed, destroyedcreated, savedcreated, destroyedlost, found
- 24. Multiple ChoiceWhich energy conversion is taking place when you put gasoline in a car?thermal -> electricalmechanical -> electricalchemical -> mechanicalmechanical -> electromagnetic
- 25. Multiple ChoiceWhat type of energy do you get from eating an apple?nuclear energyelectromagnetic energysound energychemical energy
- 26. Multiple ChoiceWhich kind of energy change occurs when a candle is burning?Chemical to light.Light to electrical.Solar to heat.Chemical to electrical.
- 27. Multiple ChoiceWhich type of energy transformation occurs when a flashlight shines?chemical → thermal → electricalchemical → electrical → lightthermal → chemical → lightchemical → electrical → chemical
- 28. Multiple ChoiceA lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?chemical → light → electricalmechanical → sound → lightthermal → solar → electricalelectrical → thermal → light
- 29. Multiple ChoiceWhich of the following shows the energy transformation that occurs when solar panels are used to heat a building?light → thermalchemical → electricalthermal → chemicallight → mechanical
- 30. Multiple ChoiceThe diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?electrical → light → chemicallight → electrical → chemicalchemical → electrical → lightchemical → light → electrical
- 31. Multiple ChoiceThe mechanical energy when a skater is at the top of a ramp.25%50%75%100%
- 32. Multiple ChoiceThe mechanical energy when a skater is at the very bottom of a ramp - after rolling down from the top.25%50%75%100%
- 33. Multiple ChoiceThe kinetic energy when a skater is at the top of a ramp.25%50%100%None of these
- 34. Multiple ChoiceRubber is a good...ConductorInsulator
- 35. Multiple ChoiceWhich of the following would likely have the most kinetic energy?A small car traveling at 20mphA small car traveling at 60mphA large truck traveling at 20mphA large truck traveling at 60mph
- 36. Multiple ChoicePotential or kinetic?
Stretched bow and arrow?kineticpotential - 37. Multiple ChoicePotential or kinetic?
Running?potentialkinetic - 38. Multiple ChoiceA baseball held by a pitcher has _____________energy.KinecticChemicalPotentialThermal
- 39. Multiple ChoiceWhich causes static electricity?Negative charges repelling each other.Postive charges attracting each other.Negative charges attracting positive charges.Negative charges repelling positive charges.
- 40. Multiple ChoiceWhich describes these circuits?OpenClosed
- 41. Multiple ChoiceThese two magnets are _____?AttractingRepelling
- 42. Multiple ChoiceKinetic energy ___ as an object's speed increases.increasesdecreasesstays the sameis destroyed
- 43. Multiple ChoiceEnergy stored in a big boulder at the top of the hill is an example of ___ energy.potentialelectricalradiantthermal
- 44. Multiple ChoiceElectricity is the flow of _________.ProtonsNeutronsElectrons
- 45. Multiple ChoiceGravitational potential energy is potential energy that depends on what?heightvolumetemperature
- 46. Multiple ChoiceWhen you stretch a rubber band you give it —potentialkinetic
- 47. Multiple ChoiceAt which point does a roller-coaster have the greatest kinetic energy?bottom of the tallest hilltop of the tallest hill
- 48. Multiple ChoiceThe higher up something is, the more potential energy it has.Truefalse
- 49. Multiple ChoiceAt which point does a roller-coaster have the greatest potential energy?at the top of the tallest hillat the bottom of the tallest hill
- 50. Multiple ChoiceElectric current that rapidly changes directiions
is called this.electric currentalternating currentresistorcircuit - 51. Multiple ChoiceAn object in a circuit that resists the flow of electrons is called aresistormagnetic fieldcircuitconductor
- 52. Multiple ChoiceA device that changes motion into electrical energy is aresistorcircuitmagnetic levitationgenerator
- 53. Multiple ChoiceObjects are protected from lighting by doing this with a wire.static electricitygroundingalternating currentmagnetic field
- 54. Multiple ChoiceA switch controls this through a circuit.electric currentcircuitstaticgrounding
- 55. Multiple ChoiceThe lights in a house don't work properly.
Every time a light is turned on all the lights turn on. What is wrong?The house has a parallel and needs a series circuit.There are no series circuits in the house.It has a series circuit and needs a parallel circuit.The house cannot support electricity. - 56. Multiple ChoiceThe ability to do work or cause change.energycombustionmatterwork
- 57. Multiple ChoiceKinetic or potential energy associated with the motion or position of an object.thermal energykinetic energymechanical energypotential energy
- 58. Multiple ChoiceThe energy of electric charges.electrical energyelastic potential energykinetic energygravitational potential energy
- 59. Multiple ChoiceThe potential energy stored in the nucleus of an atom.electrical energythermal energynuclear energykinetic energy
- 60. Multiple ChoiceThe energy of light and other forms of radiation.thermal energyelectromagnetic energypotential energyelectrical energy
- 61. Multiple ChoiceThe process of changing one form of energy to another.transformenergyenergy transormationlaw of conservation of energy
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